BY CHARLES MACGREGOR Asbestos is a naturally occurring carcinogen that was used heavily in construction and other industries for over 100 years due to its insulative and flame-retardent properties. Over the course of the 20th century it was discovered that exposure to the microscopic fibers of asbestos caused serious illness amongst workers and others exposed to it, causing over 80 percent of mesothelioma cancer cases. In the […]